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The engine had MPFI (multi-port fuel injection), which gave slightly more power and better fuel economy, and two valves per cylinder. The engine had a bore and stroke of 4 + 1 ⁄ 4 in × 4 in (108.0 mm × 101.6 mm), producing 290 hp (216 kW) at 4000 rpm and 410 lb⋅ft (556 N⋅m) at 3200 rpm. It was used by Mercury Marine, named the ...
Long block - a short block, with mounted and gasketed cylinder head, valves and camshaft; Crate engine - a new or remanufactured engine, considered to be equivalent to a new engine. [3] Parts include more than a long block, including intake manifold, and carburetor or fuel injection system, oil pan, valve covers, and perhaps an alternator
The L72 was a 427 cu in (7.0 L) 90° overhead valve V8 big-block engine produced by Chevrolet between 1966 and 1969. Initially rated at 450 horsepower, the rating dropped to 425 hp (317 kW) shortly after its release (although there was no change in power).
The big-block engines initially used a forged crankshaft with a stroke of 3.975" for the 1965-1967 425 and 400 CID versions; starting in 1968, both the 400 cu in (6.6 L) and the 455 cu in (7.5 L) big blocks used a stroke of 4.25 in (108 mm), with crankshaft material changed to cast iron except in a few rare cases.
1962 – The block's cylinder wall casting was revised to allow four-inch bores, and the 327-cubic-inch version of the engine, using this bore diameter and increased stroke, was introduced. 1967 - The oil filter mounting received an adapter and machining to allow the use of spin-on filters; canister mounting was possible by removing the adapter.
The 4.3 L (262 cu in) also used larger valves than the 229 cu in (3.8 L) V6, with a 1.94-inch (49.3 mm) intake valve and a 1 + 1 ⁄ 2-inch (38.1 mm) exhaust valve (also shared with the 350). [2] In 1986 and 1987, the 4.3 L (262 cu in) engine saw engine design upgrades similar to the Chevrolet small block V8.
A vertical single-cylinder steam engine, bore 1 inch, stroke 1 inch, standing 7.5 inches high. With A-frame castings and trunk guide. [35] No.8 A horizontal single-cylinder steam engine, bore 1 inch, stroke 1 inch, 8.5 inches long, with slipper type crosshead guide, so designed for single direction of rotation. [36]
One spark plug per cylinder; Valve gear 2 valves per cylinder @ 80 degrees with twin overhead camshafts per cylinder bank, via gear train from the centre of the crankshaft. Hairpin valve springs. Inlet valves 1.25 in (32 mm) Exhaust valves 1.09 in (28 mm) Crankshaft Counterbalanced two piece with 8 plain bearings & 2 main roller bearings ...